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Top Forums Shell Programming and Scripting Search/grep on row and column wise Post 302947711 by calredd on Saturday 20th of June 2015 10:33:48 PM
Old 06-20-2015
Search/grep on row and column wise

Hello,
I have a comma seperate metadata as follows:

Code:
CITY        ,COUNTY,STATE,COUNTRY
NEW_YORK,NYC     ,NY     ,USA
NEWARK    ,ESSEX ,NJ      ,USA
CHICAGO   ,COOK  ,IL       ,USA
SEATTLE   ,MINER ,WA     ,USA


In my process, I get two key values ie
CITY NAME (can be one of the values in first column shown above)
COLUMN NAME (I get one of the values in the 1st row, ie either CITY or COUNTY or STATE or COUNTRY)

For EX:
If my keys are CHICAGO & STATE, then I need my ouput as IL
If my keys are NEWARK & COUNTRY, then I need my ouput as USA


Please note that the column position can change. ie the order in which I get data in my columns is not necessarily in the order shown above. I may get my columns in this order also -> CITY,STATE,COUNTY,STATE

Now to implement this solution, I can grep on the CITY_NAME but then I need to know where the other column is. I am trying different solutions but without much success.

Any simple solutions to find this using sed or awk is appreciated.
Thanks.

Last edited by Don Cragun; 06-21-2015 at 12:18 AM.. Reason: Add CODE and ICODE tags.
 

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COLUMN(1)						    BSD General Commands Manual 						 COLUMN(1)

NAME
column -- columnate lists SYNOPSIS
column [-tx] [-c columns] [-s sep] [file ...] DESCRIPTION
The column utility formats its input into multiple columns. Rows are filled before columns. Input is taken from file operands, or, by default, from the standard input. Empty lines are ignored. The options are as follows: -c Output is formatted for a display columns wide. -s Specify a set of characters to be used to delimit columns for the -t option. -t Determine the number of columns the input contains and create a table. Columns are delimited with whitespace, by default, or with the characters supplied using the -s option. Useful for pretty-printing displays. -x Fill columns before filling rows. ENVIRONMENT
The COLUMNS, LANG, LC_ALL and LC_CTYPE environment variables affect the execution of column as described in environ(7). EXIT STATUS
The column utility exits 0 on success, and >0 if an error occurs. EXAMPLES
(printf "PERM LINKS OWNER GROUP SIZE MONTH DAY " ; printf "HH:MM/YEAR NAME " ; ls -l | sed 1d) | column -t SEE ALSO
colrm(1), ls(1), paste(1), sort(1) HISTORY
The column command appeared in 4.3BSD-Reno. BUGS
Input lines are limited to LINE_MAX (2048) bytes in length. BSD
July 29, 2004 BSD
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